<template>
  <div>
    <header class="header">
      <h1>todos</h1>
      <input @keydown.enter="add" v-model.trim="name" class="new-todo" placeholder="请输入任务名称" autofocus />
    </header>

  </div>
</template>

<script>
export default {
  data() {
    return {
      name:''
    };
  },
  methods: {
    add(){
      if(this.name==='') return
      this.$emit('addName',this.name);
      this.name=''
    }
  },
};
</script>

<style lang="scss" scoped>
</style>